function greet(name: string) {
    console.log("Hello, " + name.toUpperCase() + "!!");
}

greet('Felixlu')

function getFavoriteNumber(): number {
    return 26
}

const names = ['小千', '小锋', '小猿'];
names.forEach(function (s) {
    console.log(s.toUpperCase());
})
names.forEach((s) => {
    console.log(s.toUpperCase());
})